72614165 has 32 divisors (see below), whose sum is σ = 97611360. Its totient is φ = 51508224.

The previous prime is 72614161. The next prime is 72614167. The reversal of 72614165 is 56141627.

It can be written as a sum of positive squares in 16 ways, for example, as 17230801 + 55383364 = 4151^2 + 7442^2 .

It is a cyclic number.

It is not a de Polignac number, because 72614165 - 2² = 72614161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72614161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262007 + ... + 262283.

It is an arithmetic number, because the mean of its divisors is an integer number (3050355).

Almost surely, 2^72614165 is an apocalyptic number.

It is an amenable number.

72614165 is a deficient number, since it is larger than the sum of its proper divisors (24997195).

72614165 is a wasteful number, since it uses less digits than its factorization.

72614165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its digits is 10080, while the sum is 32.

The square root of 72614165 is about 8521.3945454955. The cubic root of 72614165 is about 417.1963010623.

The spelling of 72614165 in words is "seventy-two million, six hundred fourteen thousand, one hundred sixty-five".